Ottawa RiverRegulationPlanning BoardCommission de planificationde la régularisationde la rivière des Outaouais

See the “River Conditions Forecast” message (Forecasts page) for details about flood risks. Read more

x

Glossary

B C D F G H I P R T W
Pe Pr

Probability of Occurrence

The chance or likelihood that an event will happen over a period of time.